...remoto envia comandos ao WT32-ETH01, que executa e responde. Os comandos enviados do computador incluem: -> Ler dispositivo i2c Ex.: (ler endereço 0x68 2 bytes) -> Escrever dispositivo i2c Ex.: (escrever endereço 0x68 78FF10) -> Ler dispositivo SPI Ex.: (ler 2 bytes) -> Escrever dispositivo SPI Ex.: (escrever 78FF10) -> Configurar GPIO Entrada ou saída digital -> Escrever estado GPIO (usado para selecionar o dispositivo SPI e acionamento de relés) -> Ler estado de GPIO -> Gravar estado atual das GPIO para condição inicial de inicialização Obs. porta i2c e SPI nunca serão utilizadas como GPIO, ou seja, na inicialização do software estas já podem ser definidas ...
...que é o que recebe e um WeMos D1 que será o transmissor. O projeto é o seguinte: Junto a uma bateria tenho um WeMos D1 que está a coletar valor da voltagem de uma célula ou mais quando estão a ser recuperadas. Este WeMos D1 já tem incorporado um ESP8266. No outro lado que pode ser um computador com o Arduíno IDE, um display ou um telemóvel tenho um Arduino com um ESP8255 conetado e um Arduino IIC/I2C conectado, mas que posso excluir se necessário. A tensão medida pelo WeMos D1 na bateria, envia os valores para o PC, ou outro, via internet e que pode estar entre 100km e 300km de distância. Recapitulando: De um lado tenho o emissor, medindo a tensão das células: - 1 WeMos D1 - 1 sensor ...
...MICROCONTROLADOR ATMEGA 16U2 COM LEDS INDICATIVOS DE TX E RX E CRISTAL EXTERNO DE 16 Mhz ( PARA UPLOAD) 3- CONEXÃO DO PINO 13 DO ATMEGA16U2 AO CIRCUITO DE RESET DO ATMEGA2560 4- MÍNIMO DE 05 ENTRADAS ANALÓGICAS DISPONÍVEIS( NÃO CONECTADAS EM COMPONENTES) 5- MÍNIMO DE 10 ENTRADAS/SAÍDAS DIGITAIS DISPONÍVEIS( NÃO CONECTADAS EM COMPONENTES) 6- 10 SAÍDAS PWM (dentre as digitais) 7- COMUNICAÇÃO SPI, I2C E 6 PINOS DE INTERRUPÇÕES EXTERNAS 8- 04 PORTAS DE COMUNICAÇÃO SERIAL 9- ALIMENTAÇÃO 6 A 20 VCC, COM CONECTOR TIPO BORNE DE 02 VIAS , COM PROTEÇÃO CONTRA INVERSÃO DE POLARIDADE 10- TENSÃO DE OPERAÇÃO 5 VCC 11- ...
Criar esquematico de uma placa que leia transdutores de pressão nos protocolos I2C e 4..20mA, e que envie o valor desses sensores por GPRS, tudo integrado.
Estou procurando alguém com experiência em microcontroladores Freescale MK20 para fazer um aplicativo de interface gráfica (tela 3.2 com touch), controlar alguns periféricos I2C e SPI, entre outros. <br /><br />
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Tenho um projeto em andamento com arduino + rfid RC522 + display I2C. Onde consegui chegar até agora: consegui fazer leitura dos cartões, criar um cartão "master" para adicionar ou remover cartões armazenados na MEM do arduino ( UNO) acionar uma porta digital quando um cartão está cadastrado limitado a um numero de acesso ( exp; 10 vezes), um botão para apagar todos os cartões cadastrados, após isso é obrigatório a criação de um novo cartão master... Enfim, já fiz algumas brincadeiras interessante. mais o que estou precisando é o seguinte; -Um sistema continuado com o que estou usando, só que penso em criar um outro master que reative a mesma quanti...
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software -sketch- para arduino para gravar em SD emostrar emLCD sinais de pulsos
I'm in need of an experienced embedded software engineer to assist in t...engineer to assist in the development of software for an ATSAM and ATMEGA microcontroller. The primary focus of this project is to implement functionalities for a Battery Management System (BMS). Key Responsibilities: - Implement communication protocols (I2C and CAN) - Develop embedded software for sensor data collection and motor control BMS Features to be Developed: - Battery monitoring - Charge/discharge control - Balancing management Ideal Skills & Experience: - Extensive experience with ATSAM and ATMEGA microcontrollers - Proficient in I2C and CAN communication protocols - Prior experience with developing embedded software for BMS - Strong skills in motor control and sensor data collec...
...correction system using NTRIP and communicating with the ZED-F9P module via I2C. Code is ready but we are having some issues, and they must be fixed. - we have the project hardware done, just need to get the code fixed, we can test locally after changes. Project Overview: The system receives GPS correction data via NTRIP using an internet connection through either Wi-Fi or mobile data. These corrections are then transmitted to the ZED-F9P module to enhance GPS accuracy. Currently, the code has issues specifically with mobile data connectivity and the NTRIP connection. Required Skills: ● Advanced experience in C++ programming ● Proficiency with the Arduino IDE and related libraries ● Expertise with ESP32, specifically in: ○ I2C communication (for the ZED-F9P module) ○ W...
I'm in need of a professional to design a breakout board for the AD5933 chip. The primary application for this chip will be impedance measurement, specifically up to 100 kHz. This project requi...for this chip will be impedance measurement, specifically up to 100 kHz. This project requires a deep understanding of the AD5933 chip, as well as the principles of impedance measurement. Key requirements: - Design a breakout board for the AD5933 chip - Ensure the board is compatible with I2C for communication Ideal candidates will have: - Prior experience with the AD5933 chip - A strong background in electrical engineering and circuit design - Experience designing breakout boards - Proficiency in I2C communication interface Please include examples of similar projects you...
...TEA5767 and an Arduino Uno. The unit should include: - A button to start and stop the sweep - A button to switch between forwards and reverse sweeps - A button for a random sweep - A potentiometer to adjust the sweep speed - An I2C IIC LCD 1602 Module to display the current frequency, sweep rate, and sweep direction, all on separate lines - A signal strength indicator The code must utilize pull-up resistors for the buttons. The ideal candidate should have extensive experience with Arduino programming, specifically with the LiquidCrystal_I2C.h library for the I2C display module. The display should be set to show separate lines for each piece of information. Please include wiring diagram Please include in your bid examples of similar projects you've completed, parti...
I'm looking for an expert in MicroPython and Raspberry PICO development. The project involves creating a new build of MicroPython, complete with drivers for specific components and wrap-around functions to enable access to and use of those functions. Key Components: - AD5144A Quad Channel,256-Position, I2C, Nonvolatile Digital Potentiometer - ST LPS33K Air Pressure and Temperature Sensor - ST Proximity and ambient light sensing (ALS) module Your tasks will include: -Import the drivers into the Micropython Build -Create the new Build -Write the wrapper function in Micropython to enable access to the imported driver functions -Provide a test app in Micropython for each device to enable demonstration of the functions Ideal candidates should have: - Extensive exper...
I'm seeking an experienced developer to send me Berry Code to Read an PN532 Reader, to access an authenticated RFID Card. I am unsure if this is possible through , or if the Driver PN532 has to be created for Berry. The PN532 is connected through UART, but I2C would be possible as well. SPI isn't possible, as the Hardware only has 2 GPIO's left (21&22 on ESP-Wroom-32) Key Requirements: - Control & Interaction: The primary function of the driver is to facilitate reading RFID cards through the Berry device. - Authentication: The driver must have the capability to authenticate and access secure data stored on the Mifare Classic cards. - Experience: Prior experience with Tasmota, Berry, and PN532 is crucial. - Skills: Proficiency in coding
...Requirements: Recording and Playback Functions: The device should record audio when a button is pressed. The playback should be triggered by an interrupt (via I2C). Audio Quality: The audio resolution should be at least 16-bit for high-quality recording and playback. Audio Alerts: The device should emit audio alerts in the following scenarios: When recording starts. When recording ends. When the battery is low. Power Efficiency: The microcontroller must support sleep mode to save power. The device should operate on 3 AAA batteries, using low-cost and power-efficient components. Trigger by Event: The device should remain in sleep mode until activated by an I2C interrupt. Hardware Testing: The designer must be able to personally test the circuit and hardware and perform expe...
...requirements. The trainer must have expertise in Verilog and practical experience with the Vivado Design Suite. The training should cover basic and advanced topics, including working with interfaces like I2C, SPI, and UART. Requirements: Proficiency in Verilog HDL and strong knowledge of digital design concepts. Practical experience with the Vivado Design Suite for coding, simulation, synthesis, and debugging. Ability to design a comprehensive syllabus covering: Basics of Verilog and digital design fundamentals. Advanced Verilog topics (FSMs, testbenches, synthesis, and optimization). Interfaces: I2C, SPI, UART, and other common protocols. IP core usage and integration in Vivado. Hands-on projects and practical examples. Strong communication and teaching skills to simpli...
...to assist in controlling multiple I/O devices via the I2C interface in my PICO C project. The schematic capture has been completed, but might require some adjustments tied to project milestones. After this phase, I'll be handling the PCB layout and procuring the first test board. Key Responsibilities: - Adjust schematic capture as necessary - Write PICO C code for controlling sensors and actuators - Include RaspPi5 test code to verify I2C commands - Focus on critical functionalities such as control commands, error handling and I2C two-way communications Experience with I2C communication is essential, specifically with a single master and multiple slaves configuration. Proficiency in PCB design and familiarity with test procedures for I2C communi...
...administration, device drivers, Raspberry Pi interfacing, and system customization. ARM Microcontroller Diploma (92 hours) – Covering ARM architecture basics, interrupts, real-time systems, audio processing, UART, SPI, IoT integration, and bootloader development. AVR Embedded Systems Diploma (168 hours) – Involves C programming, embedded systems concepts, interfacing LEDs, LCDs, motors, UART, SPI, I2C, ADCs, real-time OS, FreeRTOS, and embedded testing. Data Analytics Diploma (128 hours) – Includes Python programming, linear algebra, calculus, probability, statistics, database design, SQL, data visualization, Fourier analysis, and image/audio processing. Automotive Embedded Diploma (112 hours) – Focus on automotive communication protocols (CAN, LIN, UDS), ...
...Thermal Camera Integration Description: I am seeking a skilled Python developer with experience in Raspberry Pi, I2C communication, and MLX90640 thermal camera modules. This project involves developing a Python library to enable the continuous and parallel operation of four thermal cameras, capturing data at a minimum frequency of 8Hz per camera, without the use of a multiplexer. Key Requirements: 1. Python Library Development: - Create a custom Python library for MLX90640 thermal camera modules. - Enable continuous data capture for all pixels (24x32 resolution) for four cameras, saving the data into CSV files. 2. Communication Setup: - Establish custom I2C buses for each camera using predefined Raspberry Pi pins (rearrangements possible but limit...
...design for a specialized microcontroller project. There will be a defined board layout and initial choice of components. All boards you design shall have evluation board quality. It means that they will not actually go into real components and be used for internal purposes only. Ideal Skills: - Extensive experience in PCB and hardware design, including power supply, FTDI, UART, CAN, SPI/QSPI and I2C - Microcontroller and Microprocessor layout experience, especially industry-grade controllers like NXP, STM32, Renesas and Raspberry Pi CM - Knowledge about signal integrity, EMC and good design practices in general Requirements - all parts must be available and recommended on Mouser or Digikey - no China replicas - all design must take place in KiCAD - you will need to hand over ...
Help met get NMEA output by a NEO M9N GPS (Sparkfun) parsed by tinygps (serial) so that info looks smooth / nice in the serial output in Arduino. So I want to combine the SFE_UBLOX_GNSS with Tinygps how the simple sketch output/serial is now: $GNRMC,...180,31,71,17,030,17,72,61,065,,78,03,258,10,1*75 $GLGSV,3,2,10,79,18,305,27,80,12,357,26,81,14,306,,86,00,118,12,1*7E $GLGSV,3,3,10,87,45,110,26,88,68,324,31,1*7A $GAGSV,3,1,11,02,04,20 as it should be: Latitude: xx.230239 Longitude: xx.260847 Snelheid: 0.00 km/h Hoogte: 2.60 m Aantal Satellieten: 12 Tijd: 23:40:15 So change my sketch or give me Arduino Uno sketch for my neo m9n connected via i2c !! not serial! and give me nice output. Write strawberry in your message so I know you have read everything. all coordinates are not m...
Help met get NMEA output by a NEO M9N GPS (Sparkfun) parsed by tinygps (serial) so that info looks smooth / nice in the serial output in Arduino. So I want to combine the SFE_UBLOX_GNSS with Tinygps how the simple sketch output/serial is now: $GNRMC,...180,31,71,17,030,17,72,61,065,,78,03,258,10,1*75 $GLGSV,3,2,10,79,18,305,27,80,12,357,26,81,14,306,,86,00,118,12,1*7E $GLGSV,3,3,10,87,45,110,26,88,68,324,31,1*7A $GAGSV,3,1,11,02,04,20 as it should be: Latitude: xx.230239 Longitude: xx.260847 Snelheid: 0.00 km/h Hoogte: 2.60 m Aantal Satellieten: 12 Tijd: 23:40:15 So change my sketch or give me Arduino Uno sketch for my neo m9n connected via i2c !! not serial! and give me nice output. Write strawberry in your message so I know you have read everything. all coordinates are not m...
Project Description I need a professional hardware/electronics designer to create a complete ESP32-S3-based pcb. The design will feature: - ESP32-S3 module (placed on edge side of the PCB) with USB-C for programming. - 18 high-resolution analog inputs for NTC 10K/20K/100K sensors with shared COM pins. - 8 solid-state relay (SSR) outputs for controlling contactor signals, with sha...solid-state relay (SSR) outputs for controlling contactor signals, with shared COM pins. - One high-reliability 0-10V analog output. - Ethernet port with the W5500 IC and RJ45 connector at the bottom edge. - Integration of an external RTC module (DS3231) with battery backup for accurate timekeeping. - Power regulation, protection circuits, and optimized PCB design. - Milled slits for isolating I2C...
...system product called HAWK. This product has an AI/edge compute SOM that we control with an ESP32. This is our own product. The primary goal of this firmware is data acquisition and BLE communications. Key Requirements: - Proficient in firmware development for STM32 and ESP32 - Experience in developing with BLE - Proficient with C, Python and C++ - Proficient in implementing UART, SPI, USB and I2C communication protocols - Proficient with at least one electronics simulations tool - Proficient with at least one electronics capture and PCB design tool - Excellent written and verbal communications skills Ideal Skills: - RF design circuit skills - High speed digital circuit design skills - RC timing circuit design skills - Active and passive electronics design skills - Advanced ...
Project Requirement: Line Recorder with Bluetooth Objective: Develop a compact Line Recorder device with Bluetooth connectivity that connects to a mobile app for controlling and managing call recordings. Key Features 1. 3.5mm Audio Connectivity: * Input Port (IN): Connects to the phone via a 3.5mm TRRS cable (e.g., Typ...or stop recording. * Download Recordings: Retrieve the recorded audio file via Bluetooth. * Clear Storage: Automatically delete the recording after download. 3. Recording Capabilities: * Record audio passing through the 3.5mm * Use the ESP32’s internal ADC for recording,We just require normal speech quality data. If this does not work at all then consider using an external i2c or some adc that is cheap We will develop the mobile ...
I'm looking for a skilled professional with experience in ESPHome and I2C sensors to integrate my AS7331 UV sensor. The primary goal is to monitor UV levels. Key Requirements: - Integration of AS7331 UV I2C sensor with ESPHome. - Use of a buzzer for notifications when UV levels reach a certain threshold. Additional Information: - No complex interfaces are required, just the buzzer. - No need for extra alerts or notifications beyond the buzzer. Skills & Experience: - Previous experience with ESPHome and I2C sensors is a must. - Ability to set up simple alert systems. - Knowledge of UV monitoring systems is a plus.
...move during printing. Any DIY solution will also be considered or developed from off the shelf components. In that case we shall expect all the source codes, supporting docs, manuals, training as well, included in your fixed price. We shall assume a pre-built laser, unless specified by you otherwise. The unit will be packaged by us and controlled by our RPi based system programmatically via TCP, I2C, SPI, UART, or RS485 ports. So the laser unit must have a comm protocol given. Marking area 30x30mm to 500x500mm, print from about 2 CM to 5 CM distance to bottle. Should be low power output around 10 W. The laser should be human safe. We like to stay around US$1000 per unit NRE cost, but is not hard fixed amount. We have looked for some units but have not found a suitable one. You m...
...create a communication and querying platform capable of interfacing with a TI ADS7138QRTERQ1 A to D converter through an I2C communication board. The platform's primary purpose is for research and development, and it should read data from multiple sources, including: - Voltage - Current (INA293B2) - Three Temperature IC's (LMT90DBZR) - One Temperature/Humidity Sensor (SHT30-ARP-B) -We also have the board to be able to select between two I2C addresses so that needs to be verified. I can provide the necessary information on Analog offsets and will need assistance setting the registers. A schematic can be provided once a candidate is selcted Key Requirements: - Expertise in I2C communication - Experience with A to D converters - Proficiency in setting up...
...in **power electronics**. - Proficiency in embedded C/C++ programming. - Hands-on experience with microcontrollers and embedded systems. - Knowledge of battery management systems and protection mechanisms. - Expertise in hardware interfacing and debugging. **Preferred Skills:** - Familiarity with simulation tools (e.g., MATLAB/Simulink). - Experience with communication protocols (I2C, SPI, UART,STM32). - Background in display module interfacing for indicators. **Why Work With Us?** - Opportunity to showcase your expertise on a critical, innovative project. - Competitive compensation and flexible work terms. - Potential for long-term collaboration if we are impressed with the project outcome. How to Apply: Interested freelancers can share their updated...
...am a beginner looking for a comprehensive teacher for embedded systems. I need help with the following topics: - Microcontrollers - RTOS (Real-Time Operating Systems) - Embedded C programming - IoT (Internet of Things) - Sensors: Understanding and interfacing with various types of sensors. - Actuators: Usage and controlling actuators in embedded systems. - Communication Protocols: Mastering SPI, I2C, UART, and other communication methods. - Debugging Techniques: Strategies and tools for debugging embedded systems. - Power Management: Techniques for optimizing power consumption in embedded devices. - Wireless Communication: Implementing wireless technologies like Bluetooth and WiFi. - PCB Design: Fundamentals of designing printed circuit boards for embedded systems. - Embedded Sec...
Design a mixed-purpose IO PCB in KiCAD. Puropose of this board is for neat int...Board design elements 1) Assuming external PSU having 24V and 5V rails, provide polyfuses and power indicators. 2)Generate necessary lower voltage supply rails via linear regulators off 5V Separate polyfuses for each 1-wire device group supply 3)Provide footprint for microcontroller board, routing power, UARTs and i2c buses to it. 4)Provide 1 DS2482 i2c to 8-channel 1-wire chips c/w esd diodes etc each bus broken out to 2 sets of terminals 5)Provide 4 SPST NO Relay driven by i2c bus expander of your choice 6)Provide 2 no isolated RS485 line drivers 7)Provide 16 no 24V 1A PWM outputs- suggest PCA9685+mosfets? General, Footprint for Rasberry pi 4, and ESp32 boards LEDs on all Relay coils...
I need a professional with extensive experience in hardware desig...with microcontrollers and communication modules - Understanding of data processing requirements for embedded systems Ideal Skills: - Proficient in designing hardware that can efficiently process data - Capable of designing hardware that interfaces well with communication modules - Familiar with the specifications and requirements of Toyota MHE - Knowledge of various interface protocols such as I2C, SPI, and UART. - Experienced in designing hardware for RF communication modules. - Skilled in implementing security measures for embedded hardware systems. Your role will be to create a robust, efficient hardware design that will support data processing requirements. Please include examples of relevant past work in your...
I'm looking for an experienced freelancer who can create functional test scripts for my Raspberry Pi dual ethernet board. The testing should cover a comprehensive range of components including: - Ethernet ports - USB ports - Serial ports (RS-485) - SD card - HDMI - Audio - DI/DO - I2C interface - Verify the functionality of the Inter-Integrated Circuit interface. - SPI interface - Ensure the Serial Peripheral Interface is working correctly. - WiFi connectivity - Test the onboard WiFi module for stable wireless connections. - Bluetooth - Check Bluetooth connections and data transfer capabilities. - GPIO pins - Test the General Purpose Input/Output pins for proper functioning. - RTC module - Verify the Real-Time Clock module for accurate date and time retention. - Camera interfa...
I'm seeking a professional to design a custom ESP32-S2 breakout board. The board should include connections for: - 2 x buttons with LEDs - 1 x LCD I2C screen - 1 x HC-SR04 Ultrasonic sensor The ideal candidate should have access to an HC-SR04 sensor and be comfortable with the project being split into two parts: board design and code verification. Key Requirements: - Board will need to be powered via USB-C - All button and peripheral connectors should be JST connectors - No specific size constraints for the board I have the code ready for the sensor and would appreciate someone who can go over it with me and ensure everything works. Skills and Experience: - PCB design - Familiarity with ESP32-S2 - Experience with code testing and debugging - Access to HC-SR04 Ultrasonic ...
Python Script for Raspberry Pi Battery Check Project goal: To develop a Python script that monitors battery percentage and displays it on an LCD using a Raspberry Pi. Scope of work: - Write a Python script to monitor battery percentage. - Ensure the script can display the battery percentage on an LCD screen. -...work: - Write a Python script to monitor battery percentage. - Ensure the script can display the battery percentage on an LCD screen. - Test the script for accuracy and reliability on a Raspberry Pi device. Platform: Raspberry Pi Developer expertise: Programming Specifications: The battery: Pisugar2 Plus Portable 5000 mAh UPS Lithium Battery Power Module Platform for Every Raspberry LCD Module: I2C IIC TWI 2004 Serial LCD Display Module 20x4 Compatible with Arduino Rasp...
...alarm feature. The system will be designed for the STM32F429I-DISC1 board. Project Requirements: Configure and initialize the RTC (DS3231) module using I2C communication. Implement Bluetooth communication using the HC-05 module for controlling the alarm. Integrate a buzzer (active type) that can be turned on/off based on the state of a button or Bluetooth command. Design a simple user interface (if needed) to interact with the system. Ensure that all components communicate seamlessly on STM32F429I-DISC1. Key Skills: Experience with STM32 microcontrollers, especially STM32F429 series. Knowledge of embedded C programming. Expertise in I2C and UART protocols. Familiarity with peripherals like RTCs, Bluetooth modules, and GPIO control. Previous experience with STM32CubeIDE a...
I'm seeking an experienced programmer with a strong background in robotics and sensor integration. The project involves writing code for an Arduino-controlled robotic arm, utilizing an MPU6050 sensor. Key Requirem...robotics and sensor integration. The project involves writing code for an Arduino-controlled robotic arm, utilizing an MPU6050 sensor. Key Requirements: - Code to interpret the MPU6050's data for angle measurement, allowing the robotic arm to adjust its position based on sensor input. - Implementation of I2C communication protocol for the MPU6050. Ideal Skills: - Proficient in C/C++ for Arduino programming. - Prior experience with MPU6050 and robotic arm control. - Strong understanding of I2C communication protocol. - Ability to write clean, efficient...
Looking for PCBA designer to make a few revisions to a small TFT display driver board and to create a new I2C motor driver and PCBA. Freelancer must have experience working with JLCPCB parts library, BOM and ordering.
I'm looking for a freelancer to write arduino code for a clock that uses an Arduino and a stepper motor. Ideal Skills: - Proficiency in Arduino programming. - Experience with stepper motors. I need a clock I want the stepper motor to rotate once per hour. Parts · DS3231 AT24C32 IIC I2C Precision RTC Real Time Clock Arduino/Rasp Pi Module AU · A4988 Stepper Motor Driver Module for Reprap Prus RAMPS 3D Printer CNC · STEPPERONLINE Short Body Nema 17 Stepper Motor 1A 17Ncm 42x23mm CNC 3D Printer () · NANO V3.0 Development Micro Board Upgraded ATmega328 Compatible For...
I'm looking for an expert in PCB design and industrial controller systems to create 4 specific PCB boards for a machine. - Carrier Board: This will be for a Raspberry Pi Compute Module 4. It should be powered from 12-36VDC and have provisions for an I2C or SPI bus using ribbon cables. - Digital Input Board: This PCB will be for 16 digital inputs based on an IO expander such as MCP23017 or its SPI equivalent. Inputs must be 24V tolerant and each input should be tied to an LED indicating its status. - Keypad Interface Board: This PCB will have 6 digital inputs but will also have a connection for a flat printed PCB, similar to a membrane switch or keypad. - Relay Output Board: This PCB will be for 8 relay outputs. Each relay should have a corresponding LED to indicate its status....
...automating hardware testing and data collection. Skills and Expertise Electrical Engineering: Strong knowledge of power electronics, circuit design, and PCB development. Experience with voltage regulation, load balancing, and safety protocols. Sensor Integration: Hands-on experience in interfacing GPS, LiDAR, cameras, and other sensors with processing units. Knowledge of communication protocols like SPI, I2C, and UART. Ammunition Electronics: Expertise in designing circuits for guidance systems and secure detonation mechanisms. Familiarity with military-grade electronics and safety standards. Problem Solving: Ability to troubleshoot hardware issues and implement robust solutions. Experience with EMI/EMC testing to ensure reliability. Interview Questions and Evaluation Practical T...
I'm looking for a skilled freelancer ...skilled freelancer who can write code for an Arduino to control a DC Motor using a DRV8234 Motor Driver over I2C. The code should allow for both speed and direction control, as well as incorporating encoder feedback for motor control. Datasheet: 1 I have the RTE 3*3mm package soldered on the breakout board. I have esp32 dev module, i2c connections are done. Ideal Skills: - Proficient in Arduino programming - Previous experience with DRV8234 Motor Driver - Understanding of I2C communication protocol - Familiarity with using encoders for feedback
...production hardware. The hardware is currently in the testing phase. Key Requirements: - The firmware must support various STM32 peripheral functions, including ADC with DMA, Timers for PWM/SPWM, and UART communication. - Expertise in STM32 programming with HAL and STM32CubeMX is crucial. - Experience with FreeRTOS integration and task management is necessary. - The firmware must include support for I2C and SPI peripheral functions for sensor and peripheral communication. - The firmware must have robust error handling and diagnostics to ensure reliable operation. Ideal Skills: - Proficient in using ADC with DMA for data acquisition - Skilled in configuring Timers for PWM/SPWM for motor control - Adept at establishing UART communication for the communication interface - Maste...
...controller for system operations. ESP8266: IoT integration for Firebase connectivity. Sensors and Modules: MQ-3 Alcohol Sensor: Detects alcohol levels in the vehicle environment. GPS Module (High Accuracy): Tracks the vehicle's location. Obstacle-Avoiding Sensor: Assists with lane change and obstacle detection. Rotatable Camera: Mounted on top for visual monitoring and AR integration. 4x4 Keypad (I2C): Accepts password input for bypassing the system. Relay Module: Cuts off the engine when alcohol is detected. Speaker: Alerts users with audio notifications during critical events. Power Supply: Solar panel with Li-ion battery for sustainable operation. System Features: Alcohol Detection: Monitors alcohol levels and triggers actions like engine cutoff. Engine Cutoff: Disables t...
I am trying to use an arduino to control humidity in an out building which has no heat or dehumidifier. Simply put, I have a DHT22 to monitor outside humidity and temperature and a second DHT22 to monitor inside humidity and temperature. The results are to be displayed on a 20x4 I2C LCD display. When the outside humidity is lower than the inside humidity, I want to energize Relay 1 Materials used: Arduino Uno, 1 Channel Relay, 2 DHT22 Sensors, 20 x 4 i2C LCD display
Urgent BMS with C'est un bms unicellaire qui va communiquer avec un mcu central en I2C : Voila le matériel Contrôleur BMs : BQ76920 Texas Instruments Résistance shunt : 10 mΩ 1% MOSFET pour charge/décharge : IRLZ44N Température (NTC) : NTC 10K Capaciteurs : 10µF/50V (x2) Résistances pull-up I2C : 4.7 kΩ
